When you are rendering a document whose page layout is already precomputed (with known fonts and with exact metrics), the thin space (U+2009) is already what you want (because you won't have to worry about the breaking behavior.
#Non breaking space word full#
In addition it may be partically justified (when full justification is used, where not just the usual inter-word spaces have their width increased, but also all gaps between characters and normal or ''fine'' spaces (but the other quad spaces MUST NOT have their width adjusted: they are really fixed). So yes, U+2009 ( &thinsp in the SGML repository) is slightly adjustable, depending on fonts. However, if French is rendered with a font using an English typography (which has larger inter-character gaps), the fine should be narrower and should be reduced to 1/6th cadratin.
In English with an English typography, the inter-character gaps is already large enough to justify the fact that a no thin space is used in texts near most double punctuation signs. 0.2 ca., but this is wrong as this value is just a reasonnable median value, which should effectively be adjusted in fonts according to their design). (It is often said that U+2009 is one fifth of a cadratin, i.e.
to 0.25 ca., when the standard space is 0.5 ca.) The choice of the width depends on the approach already present within the glyphs defined in a given font.įonts are made to adjust the width of their thin space (U+2009): if these fonts were made by French typographs (for rendering French), the approche (or gaps between letters in words) is narrower than in fonts designed for English: this is because French texts generally contain more letters than equivalent English texts (for exemple the printed Bible), and to avoid increasing the number of printed pages, the glyphs in French fonts were made a bit narrower and with a reduced approach to compensate this reduction, the French fine was increased in size. If the only problem is the fact that &thinsp (U+2009) is still breaking, I will prefer to use: &thinsp īecause the French fine is effectively using a nearly fixed width between one sixth to one fourth of a cadratin (0.166 ca.
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